Merge pull request #625 from OpenSkywalking/fix/assembly-log-config

Correct the log4j config file

apm-collector/apm-collector-boot/src/main/assembly/log4j2.xml

@@ -17,7 +17,7 @@
   ~ Project repository: https://github.com/OpenSkywalking/skywalking
   -->
 
-<Configuration status="error">
+<Configuration status="info">
     <Properties>
         <Property name="log-path">${sys:collector.logDir}</Property>
     </Properties>
@@ -34,9 +34,11 @@
         </RollingFile>
     </Appenders>
     <Loggers>
-        <logger name="org.skywalking.apm.ui" level="debug">
-            <AppenderRef ref="RollingFile"/>
-        </logger>
+        <logger name="org.eclipse.jetty" level="INFO"/>
+        <logger name="org.apache.zookeeper" level="INFO"/>
+        <logger name="org.skywalking.apm.collector.agent.grpc.handler.JVMMetricsServiceHandler" level="INFO"/>
+        <logger name="org.skywalking.apm.collector.stream.timer.PersistenceTimer" level="INFO"/>
+        <logger name="io.grpc.netty" level="INFO"/>
         <Root level="info">
             <AppenderRef ref="RollingFile"/>
         </Root>